JavaScript ToLowerCase

The JavaScript ToLowerCase method is used to convert the given string into Lowercase letters. In this article we will show you, How to write JavaScript ToLowerCase Function with example.

Syntax of a ToLowerCase in JavaScript

The basic syntax of the ToLowerCase function in JavaScript programming language is as shown below:

1	String_Object.ToLowerCase()

String_Object: Please select the valid String Object or String literal.

JavaScript ToLowerCase Example

The following set of examples will help you understand the ToLowerCase Function in JavaScript programming language.

JAVASCRIPT CODE

<!DOCTYPE html>

<html>

<head>

<title> JavaScript ToLowerCase </title>

</head>

<body>

<h1> JavaScript ToLowerCase </h1>

var Str1 = "Learn JavaScript at Tutorial Gateway";

var Str3 = Str1.toLowerCase();

var Str4 = "Hi, This is FROM JS".toLowerCase();

var Str5 = "JAVASCRIPT LOWERCASE".toLowerCase();

document.write("<b> Lowercase Letters are:</b> " + Str3);

document.write("<br \> <b> Lowercase Letters are: </b> " + Str4);

document.write("<br \> <b> Lowercase Letters are: </b> " + Str5);

</script>

</body>

</html>

OUTPUT

ANALYSIS

Within the Script tag, First we declared the String variables Str1 and assigned corresponding value using following statement

1	var Str1 = "Learn JavaScript at Tutorial Gateway";

Following statement will convert the above string into lowercase using ToLowerCase() function

1	var Str3 = Str1.toLowerCase();

Instead of declaring and assigning the string, JavaScript allows us to directly use the ToLowerCase() function on string literal

1 2	var Str4 = "Hi, This is FROM JS".toLowerCase(); var Str5 = "JAVASCRIPT LOWERCASE".toLowerCase();

Following statements will write the content output to the respective browser

document.write("<b> Lowercase Letters are:</b> " + Str3);

document.write("<br \> <b> Lowercase Letters are: </b> " + Str4);

document.write("<br \> <b> Lowercase Letters are: </b> " + Str5);

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Syntax of a ToLowerCase in JavaScript

JavaScript ToLowerCase Example

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